com.espertech.esper.core.service

Interface ExpressionResultCacheForDeclaredExprLastColl

All Known Implementing Classes:

ExpressionResultCacheForDeclaredExprLastCollImpl

public interface ExpressionResultCacheForDeclaredExprLastColl

On the level of expression declaration: a) for non-enum evaluation and for enum-evaluation a separate cache b) The cache is keyed by the prototype-node and verified by a events-per-stream (EventBean[]) that is maintained or rewritten.

NOTE: ExpressionResultCacheEntry should not be held onto since the instance returned can be reused.

Method Summary

Modifier and Type	Method and Description
ExpressionResultCacheEntry<EventBean[],Collection<EventBean>>	getDeclaredExpressionLastColl(Object node, EventBean[] eventsPerStream)
void	saveDeclaredExpressionLastColl(Object node, EventBean[] eventsPerStream, Collection<EventBean> result)

Method Detail

getDeclaredExpressionLastColl

ExpressionResultCacheEntry<EventBean[],Collection<EventBean>> getDeclaredExpressionLastColl(Object node,
                                                                                            EventBean[] eventsPerStream)

saveDeclaredExpressionLastColl

void saveDeclaredExpressionLastColl(Object node,
                                    EventBean[] eventsPerStream,
                                    Collection<EventBean> result)